Astrotek USB 3.0 Card Reader for SD and Micro SD Black Colour The ASTROTEK Card Reader,USB 3.0 Portable Micro SD/SDXC/TF Smart Card Reader Adapter for SD / TF micro SD pc laptop accessories.Super Speed USB 3.0 For Maximum Performance. Backward Compatible With USB 2.0 Hosts. • USB 3.0 Male port • USB TF/SD Card Reader All In One